Last modified by Kilight Cao on 2025/07/22 16:13
From version 81.6
edited by Mengting Qiu
on 2025/07/01 14:00
on 2025/07/01 14:00
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... ... @@ -237,36 +237,6 @@ 237 237 [[image:https://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/Dragino%20LoRaWAN%20Weather%20Station%20User%20Manual/WebHome/1656057377943-564.png?rev=1.1||alt="1656057377943-564.png"]] 238 238 239 239 240 -== 4.6 Calibration Values (K-value Adjustment) == 241 - 242 -In the event of deviations in the sensor values, calibration can be carried out by modifying the sensor's internal parameter: K-value parameter(**Default: 03E8(H)=1000(D)**). 243 - 244 -(% style="color:#037691" %)**Calibration Principle** 245 - 246 -The K-value scales the sensor's output. If multiple sensors measure the same parameter but show different values, adjust the K-value of the secondary sensor(s) to match the primary sensor's reading. 247 - 248 -(% style="color:#037691" %)**Step-by-Step Example:** 249 - 250 -**Scenario:** 251 - 252 -* Sensor 1 (reference) reads 1500. 253 -* Sensor 2 reads 2000, but should match Sensor 1's value (~~1500). 254 - 255 -**Steps:** 256 - 257 -if the value of sensor 1 is 1500 and the value of sensor 2 is 2000, it is necessary to keep the values around 1500if the value of sensor 1 is 1500 and the value of sensor 2 is 2000, it is necessary to keep the values around 1500. 258 - 259 -Modify the K value of sensor 2: 260 - 261 -* K value calculation as follows: 262 -* 1500/2000=0.75, 0.75*1000=750 263 -* Convert 750 to hexadecimal to 02EE. 264 -* Send command to sensor 2 265 -* Send：0B 06 00 53 02 EE F8 5D Send successfully and return this command 266 - 267 - 268 - 269 - 270 270 = 5. WSS-25 ~-~- Temperature, Humidity, Illuminance, Pressure = 271 271 272 272